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You searched for: mediatype:movies AND collection:goddardspaceflightcentervideocollection AND subject:"Galaxy, HDTV, Astrophysics"
[movies]Cepheid Variable in Spiral Galaxy - NASA
A Cepheid is a star that varies in light intensity over regular, measurable periods. The period of pulsation is directly related to a Cepheid's intrinsic brightness making observations of these stars a powerful tool for determining distance. This animation shows a Cepheid variable star varying in brightness in the arm of a spiral galaxy. Note: This animation shows a Cepheid variable star varying in brightness in the arm of a spiral galaxy...
Keywords: Galaxy, HDTV, Astrophysics
Downloads: 1,198
[movies]SLOAN Digital Sky Survey - NASA/University of Chicago and Adler Planetarium and Astronomy Museum
This visualization presents a 3-D view of the largest structures in the Universe via data from the Sloan Sky Survey. The SDSS is the most ambitious astronomical survey ever undertaken. It provides a 3-dimensional map of about a million galaxies and quasars. As the survey progresses, the data are released to the scientific community and the general public in annual increments. Note: This visualization presents a 3-D view of the largest structures in the universe...
Keywords: Galaxy, HDTV, Astrophysics, WMAP, Universe; What -- WMAP
Downloads: 208
[movies]Dark Energy Expands the Universe - NASA
It is believed that after the Big Bang, the universe originally decelerated in its expansion, but then 'changed gears' and began to accelerate. The unknown force causing this recent acceleration is dubbed the 'Dark Energy.' This visualization flies through a series of galaxy clusters, the largerst gravitationally-bound objects in the Universe. Note: This animation flies through a series of galaxy clusters...
Keywords: Galaxy, HDTV, Astrophysics, Early Universe, Cosmology, Big Bang, Universe
Downloads: 388
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